长江全长大约六千三百千米，写作______．
六千三百写作：6300．
故答案为：6300．
--- ,could you tell me the way to the Park Street?
---The Park Street? Oh,go straight and turn left. You can’t miss it. [ ]
A.All right
B.Never mind
C.Excuse me
D.Thank you
投保人向保险人申请订立保险合同的书面要约叫______。
A．投保单 B．保险单 C．批单 D．背书
